E-Dissertationen: Search
Now showing items 21-30 of 48
Search for Supersymmetry with Tau Leptons, Muons, Missing Transverse Momentum and Jets with the ATLAS Experiment at the Large Hadron Collider
(2013-09-16)
Beyond the established Standard Model (SM), the search for new physics is among the most important ventures of modern physics. Supersymmetry (SUSY) is a natural candidate for an extension of the SM to account for unexplained ...
Effective quantum theories with short- and long-range forces
(2013-10-28)
At low energies, nonrelativistic quantum systems are essentially governed by their wave functions at large distances. For this reason, it is possible to describe a wide range of phenomena with short- or even finite-range ...
Critical, statistical, and thermodynamical properties of lattice models
(2013-11-11)
In this thesis we investigate zero temperature and low temperature properties - critical, statistical and thermodynamical - of lattice models in the contexts of bosonic cold atom systems, magnetic materials, and non-interacting ...
Ultraschnelle zweidimensionale Infrarotspektroskopie und ab initio Berechnungen an OH- und NH-Streckschwingungen
(2013-12-16)
Untersuchungen an Modellsystemen von Wirt-Gast-Komplexen bilden die Grundlage für pharmazeutisch-technische Forschung und Entwicklung auf dem Gebiet der Medikamentensynthese. In dieser Arbeit wurde mit Hilfe von ultraschneller ...
Determination of Supersymmetric Parameters with Neural Networks at the Large Hadron Collider
(2013-12-20)
The LHC is running and in the near future potentially some signs of new physics are measured. In this thesis it is assumed that the underlying theory of such a signal would be identified and that it is some kind of minimal ...
Neutral Pion Electroproduction off Light Nuclei in Chiral Perturbation Theory
(2013-12-12)
Threshold pion electroproduction on tri-nucleon systems is investigated in the framework of baryon Chiral Perturbation Theory (ChPT) at next-to-leading one-loop order O(q4) in the chiral expansion. To this order ...
Optische Strahldiagnose an der Elektronen-Stretcher-Anlage ELSA
(2013-10-17)
An der Elektronen-Stretcher-Anlage ELSA wird eine resonante Anregung der horizontalen Strahlschwingungen zur Extraktion der Elektronen aus dem Speicherring genutzt. Diese Extraktionsmethode ermöglicht an den beiden ...
The Belle II DEPFET Pixel Vertex Detector: Development of a Full-Scale Module Prototype
(2013-11-28)
The Belle II experiment, which will start after 2015 at the SuperKEKB accelerator in Japan, will focus on the precision measurement of the CP-violation mechanism and on the search for physics beyond the Standard Model. A ...
Investigation of the Nonlinear Optical Properties of Metamaterials by Second Harmonic Generation
(2013-11-27)
Metamaterials have attracted tremendous attention in the past decade because they allow researchers to engineer new optical properties by designing a new optical material. In particular, metamaterials are regarded as the ......
Multiscale Modelling and Simulation of Rapid Granular Flows
(2013-11-19)
Granular flows are often encountered in geophysical contexts like debris flows, snow and rock avalanches, and also in transport processes in engineering applications. The damage caused by geophysical mass flows can be huge. ...